Collar bib



FIG. 1 is a top view of a collar bib of the present invention around the neck of a person, showing the new, original, and ornamental design;

FIG. 2 is a top view of a collar bib of the present invention, showing the new, original, and ornamental design;

FIG. 3 is a bottom view of a collar bib of the present invention, showing the new, original, and ornamental design;

FIG. 4 is a front view of a collar bib of the present invention, showing the new, original, and ornamental design;

FIG. 5 is a rear view of a collar bib of the present invention, showing the new, original, and ornamental design.

FIG. 6 is a left side elevation view of a collar bib of the present invention, showing the new, original, and ornamental design; and,

FIG. 7 is a right side elevation view of a collar bib of the present invention, showing the new, original, and ornamental design.

The broken lines are for environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a collar bib, as shown and described. 